APA stil citiranja

(2011). Practical procedures for subjective testing: Practical procedures for subjective testing. Geneva: International Telecommunication Union.

Chicago stil citiranja

Practical procedures for subjective testing: Practical procedures for subjective testing. Geneva: International Telecommunication Union, 2011.

MLA stil citiranja

Practical procedures for subjective testing: Practical procedures for subjective testing. Geneva: International Telecommunication Union, 2011.

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